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66626 (1999 RJ205)
Classification: Main-belt Asteroid          SPK-ID: 2066626
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2013683048254089 3.6723e-08  
a 2.528090998282835 1.1707e-08 au
q 2.019013599514245 9.2115e-08 au
i 14.04242364880927 5.0867e-06 deg
node 307.5514296645416 2.2475e-05 deg
peri 332.7627603620901 2.8928e-05 deg
M 165.3807630859638 2.029e-05 deg
tp 2458526.018610511918
(2019-Feb-11.51861051)
8.1661e-05 TDB
period 1468.207642079247
4.02
1.0198e-05
2.792e-08
d
yr
n .2451969256134473 1.7031e-09 deg/d
Q 3.037168397051425 1.4064e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1517  
   data-arc span      7883 days (21.58 yr)  
   first obs. used      1999-07-23  
   last obs. used      2021-02-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49213  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:23:51  

Additional Information
 Earth MOID = 1.01044 au 
 Jupiter MOID = 2.19055 au 
 T_jup = 3.383 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.17   n/a E2021B10  
diameter diameter 4.281 km 0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.184   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66626 (1999 RJ205)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RJ205 = 2000 XF29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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